1761920094 has 64 divisors (see below), whose sum is σ = 3998499840. Its totient is φ = 512853120.

The previous prime is 1761920087. The next prime is 1761920117. The reversal of 1761920094 is 4900291671.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188352 + ... + 197484.

It is an arithmetic number, because the mean of its divisors is an integer number (62476560).

Almost surely, 2^1761920094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1761920094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1999249920).

1761920094 is an abundant number, since it is smaller than the sum of its proper divisors (2236579746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1761920094 is a wasteful number, since it uses less digits than its factorization.

1761920094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9265.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 1761920094 is about 41975.2319112116. The cubic root of 1761920094 is about 1207.8010500650.

The spelling of 1761920094 in words is "one billion, seven hundred sixty-one million, nine hundred twenty thousand, ninety-four".